linux-sunxi/u-boot-sunxi
1
0
Fork 0
mirror of https://github.com/linux-sunxi/u-boot-sunxi.git synced 2024-02-12 11:16:03 +08:00
Code Issues Projects Releases Wiki Activity

powerpc/t104xrdb: Toggle deep sleep management signals after resume

Browse Source 
T104xrdb has several sleep management signals that are used for deep
sleep. They are enabled by OS to enter deep sleep and should be
disabled by u-boot when cores wake up.

Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Tang Yuantian
2014-05-07 10:25:06 +08:00
committed by York Sun
parent 477c894ff4
commit 0f1fa36fff
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
board/freescale/t104xrdb/t104xrdb.c
View File

@ -109,6 +109,8 @@ void ft_board_setup(void *blob, bd_t *bd)
#ifdef CONFIG_DEEP_SLEEP
void board_mem_sleep_setup(void)
{
/* does not provide HW signals for power management */
CPLD_WRITE(misc_ctl_status, (CPLD_READ(misc_ctl_status) & ~0x40));
/* Disable MCKE isolation */
gpio_set_value(2, 0);
udelay(1);